This information includes the date the change was made and the user who made the change, which can be useful during troubleshooting. See About history settings.
There are two kinds of appliance backup files:
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Base: A backup of the file system. Base backup files are generally created once a week. |
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Differential: A backup of the Base (file system) files that have changed since the most recent Base backup and a backup of database files. Differential backups reference the most recent Base backup file available. |
In addition, there are three types of backup processes:
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Scheduled daily backups: In most cases, daily backups include only Differential backup files. If there is no Base backup, or if the most recent Base backup is more than seven days old, the daily backup includes both Base and Differential backup files. This backup is known as a full backup. By default, daily backups are scheduled to occur at 02:00, but you can change that schedule. See Set the daily backup schedule and the number of backups to retain. |
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Scheduled monthly backups: Monthly backups occur on the last day of the month, and you cannot change the schedule of monthly backups. This backup includes the most recent Base backup and the latest Differential backup files collected after the Base backup. |
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Backups initiated using the Run Now command: When you click Run Now on the Backup Settings page, the appliance generates a full backup, which includes both Base and Differential backup files. |
You can disable backups, which schedules existing backup data for deletion and disables daily and monthly backups. See Disable or enable appliance backups.
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